Home / 155,213.72-233,857.75-140,238.24

Finding the Fourth Proportional to 155,213.72, 233,857.75 and 140,238.24

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Solution

The fourth proportional to 155,213.72, 233,857.75 and 140,238.24 is: 211,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,213.72 : 233,857.75 = 140,238.24 : x
  2. Step 2: Convert to fraction form
    155,213.72/233,857.75 = 140,238.24/x
  3. Step 3: Cross multiply
    155,213.72x = 233,857.75 × 140,238.24
  4. Step 4: Simplify right side
    155,213.72x = 32,795,797,714.11
  5. Step 5: Solve for x
    x = 32,795,797,714.11/155,213.72
  6. Step 6: Final answer
    x = 211,294.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.